1 /* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #ifndef LOG_TAG 20 #warning "Mapper.h included without LOG_TAG" 21 #endif 22 23 #include <android/hardware/graphics/mapper/2.1/IMapper.h> 24 #include <mapper-hal/2.0/Mapper.h> 25 #include <mapper-hal/2.1/MapperHal.h> 26 27 namespace android { 28 namespace hardware { 29 namespace graphics { 30 namespace mapper { 31 namespace V2_1 { 32 namespace hal { 33 34 namespace detail { 35 36 // MapperImpl implements V2_*::IMapper on top of V2_*::hal::MapperHal 37 template <typename Interface, typename Hal> 38 class MapperImpl : public V2_0::hal::detail::MapperImpl<Interface, Hal> { 39 public: 40 // IMapper 2.1 interface validateBufferSize(void * buffer,const IMapper::BufferDescriptorInfo & descriptorInfo,uint32_t stride)41 Return<Error> validateBufferSize(void* buffer, 42 const IMapper::BufferDescriptorInfo& descriptorInfo, 43 uint32_t stride) { 44 const native_handle_t* bufferHandle = getImportedBuffer(buffer); 45 if (!bufferHandle) { 46 return Error::BAD_BUFFER; 47 } 48 49 return mHal->validateBufferSize(bufferHandle, descriptorInfo, stride); 50 } 51 getTransportSize(void * buffer,IMapper::getTransportSize_cb hidl_cb)52 Return<void> getTransportSize(void* buffer, IMapper::getTransportSize_cb hidl_cb) { 53 const native_handle_t* bufferHandle = getImportedBuffer(buffer); 54 if (!bufferHandle) { 55 hidl_cb(Error::BAD_BUFFER, 0, 0); 56 return Void(); 57 } 58 59 uint32_t numFds = 0; 60 uint32_t numInts = 0; 61 Error error = mHal->getTransportSize(bufferHandle, &numFds, &numInts); 62 hidl_cb(error, numFds, numInts); 63 return Void(); 64 } 65 createDescriptor_2_1(const IMapper::BufferDescriptorInfo & descriptorInfo,IMapper::createDescriptor_2_1_cb hidl_cb)66 Return<void> createDescriptor_2_1(const IMapper::BufferDescriptorInfo& descriptorInfo, 67 IMapper::createDescriptor_2_1_cb hidl_cb) override { 68 BufferDescriptor descriptor; 69 Error error = mHal->createDescriptor_2_1(descriptorInfo, &descriptor); 70 hidl_cb(error, descriptor); 71 return Void(); 72 } 73 74 private: 75 using BaseType2_0 = V2_0::hal::detail::MapperImpl<Interface, Hal>; 76 using BaseType2_0::getImportedBuffer; 77 using BaseType2_0::mHal; 78 }; 79 80 } // namespace detail 81 82 using Mapper = detail::MapperImpl<IMapper, MapperHal>; 83 84 } // namespace hal 85 } // namespace V2_1 86 } // namespace mapper 87 } // namespace graphics 88 } // namespace hardware 89 } // namespace android 90